There are likely some out there. You can start by checking on popular fanfic websites like Archive of Our Own. Just search for 'Clark Kent Lex Luthor mpreg' in the search bar and you might find some interesting reads.
The theme of power and vulnerability also often comes up. Clark Luthor has his own set of powers, but his relationship with Lois Lane can expose his vulnerabilities. Fanfic often plays with this concept, showing how they navigate their feelings while dealing with power imbalances and insecurities.
In a 'Lex Luthor kidnaps Lois Lane' fanfiction, there could be a lot of emotional turmoil. Lois's friends and colleagues at the Daily Planet would be worried sick. Perry White might send out his best reporters to dig up any information on her whereabouts. Meanwhile, Lex could be having second thoughts about his actions as he realizes the full extent of Superman's wrath that will come down on him if he harms Lois.
One common theme is the relationship struggle. Given their complex relationship in the original stories, the mpreg adds another layer of complication. Another theme could be secrecy, as they might need to hide the pregnancy from the public.
One great Clark Luthor and Lois Lane fanfic is 'Parallel Hearts'. It explores an alternate universe where their relationship has a very different dynamic compared to the original story. The author does an amazing job of delving into their characters' emotions and the unique challenges they face in this new setting.
One of the best Lex Luthor stories is 'Lex Luthor: Man of Steel'. In this story, it delves deep into his complex psyche. It shows his envy and hatred for Superman, not just as a being with superpowers but as a symbol of hope that he can't tolerate. Another great one is in 'Action Comics' where his devious plans to take down Superman are meticulously crafted, highlighting his brilliant yet twisted mind.
Well, Lex Luthor started out in a rather difficult situation. In his origin story, he was from a not - so - well - off family in a tough neighborhood. However, his genius was evident from a young age. He managed to build an empire through his wits and business acumen. But his encounter with Superman, a being with god - like powers, made him feel inferior. This sense of inferiority and his overarching ambition led him down the path of villainy. He began devising plans to take down Superman, believing that without Superman, he could be the most powerful and respected figure in the world.